Airstrikes pounded rebel-held eastern Aleppo on Thursday, killing more than 20 people and hitting a water pumping station on the third day of a renewed air campaign on the besieged territory, Syrian activists and rescue workers said.

A proposal to make mosques reduce the loudspeaker volume of their call to prayer has sparked an uproar among Israel's Muslims, underscoring their fraught relationship with the country's Jewish majority.

Syrian government and Russian warplanes pounded rebel-held parts of northern Syria Wednesday, including battered second city Aleppo, where food aid rations were near-depleted after months of regime siege.